getShippingFree example

$mainData = [];
        if ($mapping['settings']) {
            $mainData['supplierNumber'] = $mainDetail->getSupplierNumber();
            $mainData['weight'] = $mainDetail->getWeight();
            $mainData['stockMin'] = $mainDetail->getStockMin();
            $mainData['ean'] = $mainDetail->getEan();
            $mainData['minPurchase'] = $mainDetail->getMinPurchase();
            $mainData['purchaseSteps'] = $mainDetail->getPurchaseSteps();
            $mainData['maxPurchase'] = $mainDetail->getMaxPurchase();
            $mainData['releaseDate'] = $mainDetail->getReleaseDate();
            $mainData['shippingTime'] = $mainDetail->getShippingTime();
            $mainData['shippingFree'] = $mainDetail->getShippingFree();
            $mainData['width'] = $mainDetail->getWidth();
            $mainData['height'] = $mainDetail->getHeight();
            $mainData['len'] = $mainDetail->getLen();
            $mainData['lastStock'] = $mainDetail->getLastStock();
        }
        if ($mapping['stock']) {
            $mainData['inStock'] = $mainDetail->getInStock();
        }
        if ($mapping['attributes']) {
            $builder = $this->get('models')->createQueryBuilder();
            $mainData['attribute'] = $builder->select(['attributes'])
                    

        $weight = $product->getWeight();

        $lineItem->setStates($product->getStates());

        if ($lineItem->hasState(State::IS_PHYSICAL)) {
            $lineItem->setDeliveryInformation(
                new DeliveryInformation(
                    (int) $product->getAvailableStock(),
                    $weight,
                    $product->getShippingFree() === true,
                    $product->getRestockTime(),
                    $deliveryTime,
                    $product->getHeight(),
                    $product->getWidth(),
                    $product->getLength()
                )
            );
        }

        // Check if the price has to be updated         if ($this->shouldPriceBeRecalculated($lineItem, $behavior)) {